872115 has 16 divisors (see below), whose sum is σ = 1423008. Its totient is φ = 455936.
The previous prime is 872107. The next prime is 872129. The reversal of 872115 is 511278.
It is a cyclic number.
It is not a de Polignac number, because 872115 - 23 = 872107 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247 + ... + 1343.
It is an arithmetic number, because the mean of its divisors is an integer number (88938).
2872115 is an apocalyptic number.
872115 is a deficient number, since it is larger than the sum of its proper divisors (550893).
872115 is a wasteful number, since it uses less digits than its factorization.
872115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1158.
The product of its digits is 560, while the sum is 24.
The square root of 872115 is about 933.8709760989. The cubic root of 872115 is about 95.5413232714.
The spelling of 872115 in words is "eight hundred seventy-two thousand, one hundred fifteen".
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